Question

what is the answer of question

Answer 1

firstly...resistance ko....2baar 9 ko parallel me lena tha 1bar series me to13.5 aata

then 2baar 9 ko series me and then parallel me lena tha toh...6 aaata

OR

joule law of heating me....H=I2RT
explain kr dete isse words me

then ye to book ka numerical hai yrr

both r from book ncert...chapter 12....

Answer 2

13.5 resistance are eqvivalent Resistanse